Portion of a shoe outsole



FIG. 1 is a plan view of a portion of a shoe outsole showing my new design;

FIG. 2 is a frontal perspective view thereof; and,

FIG. 3 is a rear perspective view thereof;

The uneven broken line showing of the interiors of the geometric areas and the remainder of the shoe sole is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a portion of a shoe outsole, as shown and described. 